Jaan kacha mma aha pụtara: Oké njọ, Okike, Ifịk, Enyi na enyi, Kechioma. Nweta Jaan pụtara aha.
Bílek kacha mma aha nna pụtara: Oge a, Oké njọ, Ifịk, Eru, Iwe. Nweta Bílek pụtara aha nna.
Jaan si malite aha mbụ. Estonian form of John. Nweta Jaan si malite aha mbụ.
Agakọta aha maka Jaan na mba dị iche iche na-asụ asụsụ: Anže, Deshaun, Deshawn, Ean, Eoin, Evan, Ganix, Ghjuvan, Gian, Gianni, Giannino, Giannis, Giovanni, Gjon, Hampus, Hank, Hanke, Hankin, Hann, Hanne, Hannes, Hannu, Hans, Hasse, Honza, Hovhannes, Hovik, Hovo, Iain, Ian, Iancu, Ianto, Iefan, Ieuan, Ifan, Ioan, Ioane, Ioann, Ioannes, Ioannis, Iohannes, Ion, Ionel, Ionuț, Iván, Ivan, Ivane, Ivano, Ivica, Ivo, Iwan, Jānis, Jack, Jackin, Jake, Ján, Jancsi, Janek, Janez, Jani, Janika, Jankin, Janko, Janne, Jannick, Jannik, Jan, Jan, János, Janusz, Jean, Jeannot, Jehan, Jehohanan, Jens, Jo, João, Joannes, Joan, Joãozinho, Joĉjo, Johan, Johanan, Johann, Johannes, Johano, John, Johnie, Johnnie, Johnny, Jón, Jonas, Jone, Joni, Jon, Jon, Jóannes, Jóhann, Jóhannes, Joop, Jouni, Jovan, Jowan, Juan, Juanito, Juha, Juhán, Juhana, Juhani, Juho, Jukka, Jussi, Keoni, Keshaun, Keshawn, Nelu, Nino, Ohannes, Rashaun, Rashawn, Seán, Sean, Shane, Shaun, Shawn, Shayne, Siôn, Sjang, Sjeng, Van, Vanja, Vanni, Vano, Vanya, Xoán, Xuan, Yahya, Yan, Yanick, Yanko, Yann, Yanni, Yannic, Yannick, Yannis, Yehochanan, Yianni, Yiannis, Yoan, Yochanan, Yohanes, Yuhanna, Zuan, Žan. Nweta Jaan na ndị ọzọ asụsụ.
Kasị nkịtị surnames na aha Jaan: Khattak, Umrao. Nweta List of surnames na aha Jaan.
Kasị nkịtị aha na aha ikpeazụ Bílek: Tamekia, Laura, Christeen, Loren, Michal. Nweta Aha na-aga na Bílek.
Ndakọrịta nke Jaan na Bílek bụ 83%. Nweta Ndakọrịta nke Jaan na Bílek.